Nextcloud · weakness class
Information Disclosure
46 CVEs
Every dot is a CVE in what this vendor ships; the named ones are the most at risk.
Every one of the 46 is a mark on the map. Named now: 1 to 26, most at risk first.
- Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Look…
- Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in…
- Missing rate limit when trying to join a password protected Nextcloud Talk conversation
- File path disclosure of shared files in Nextcloud Text application
- Lack of ratelimit on Richdocuments OCS endpoint in nextcloud
- Nextcloud Android App (com.nextcloud.client) before v3.16.0 is vulnerable to information disclosure due to searches for sharees being performed by default on the lookup server ins…
- Nextcloud Deck before 1.2.7, 1.4.1 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only the local Ne…
- Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only on the local Nextclo…
- Nextcloud Text app can disclose existence of folders in "File Drop" link share
- User enumeration setting not respected in Nextcloud server
- Default settings leak federated cloud ID to lookup server of all users
- Bypass of image blocking in Nextcloud Mail
- Error in deleting deck cards attachment reveals the full application path in Nextcloud Deck
- A missing check in Nextcloud Server prior to 14.0.0 could give unauthorized access to the previews of single file password protected shares.
- File path disclosure of shared files in Richdocuments application
- Exposure of Private Personal Information to an Unauthorized Actor in Nextcloud Talk
- Bypass of image blocking in Nextcloud Mail
- Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with…
- Malicious Android app could access Shared Preferences of the Nextcloud Android client
- File path disclosure of shared files in OfficeOnline application
- Nextcloud Talk guests can continue to receive video streams from call after being removed from a conversation
- Password disclosure in log file in Nextcloud Mail App
- Full path of data directory exposed to Nextcloud server users
- Nextcloud Talk messages can still be seen on conversation after expiring when cron is misconfigured
- Authentication headers exposed on by Nextcloud Server
- Nextcloud Mail auto configurator can be tricked into sending account information to wrong servers
exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.